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Posted by Andrew Gould on 27 June 2012
Learn how to group data and calculate aggregate statistics in Microsoft SQL Server queries. This video teaches you how to use the GROUP BY clause in a query to organise your data into groups, including how to group by multiple columns in the same query. We'll also show you how to make use of the aggregate functions to calculate values such as the total and average of a range of numbers, including how to apply totals and subtotals using the ROLLUP keyword.
This video has the following accompanying files:
|Create Movies Database with Genre Table.sql||SQL query|
Click to download a zipped copy of the above files.
There are no exercises for this video.
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